Use the Normal model N(1150,75) for the weights of steers. a) What weight represents the 66th percentile?
b) What weight represents the 95th percentile?
c) What's the IQR of the weights of these steers?

Fa bus driver leaves her first stop by 7: 00 a.m., her route will take less than 37 minutes. if she leaves after 7: 00 a.m., she estimates that the same route will take no less than 42 minutes. which inequality represents the time it takes to drive the route, r?

Money off coupons have been circulated to 300 households. only 2/5 of these were redeemed (used) in the local supermarket to get a free shampoo. what fraction of coupons were unused? (ps: write how you got the answer)

What is the equation of the line that is parallel to the line with the equation y= -3/4x +1 and passes through the point (12,-12)